probative

probative (comparative more probative, superlative most probative)

1. (law) Tending to prove a particular proposition or to persuade someone of the truth of an allegation.
   • 1999, Dana Stabenow, Hunter's Moon, →ISBN, page 109:

     The judge had granted the DA a one-week extension with the caustic admonition that the case would be summarily dismissed if at that time probative, as opposed to prejudicial, evidence was not produced.

   • 2003, Gabriel García Márquez, chapter 2, in Edith Grossman, transl., Living to Tell the Tale:

     My grandfather in person organized the file with a surfeit of sworn testimonies and probative documents […]

• disprobative
• prejudicial

probative

1. feminine plural of probativo